Physics The unit of noise pollution (level) is : None of these Decimal Ppm Decibel None of these Decimal Ppm Decibel ANSWER DOWNLOAD EXAMIANS APP
Physics Suppose voltage V is applied across a resistance R. The power dissipated in the resistance is P. Now the same voltage V is applied across a parallel combination of three equal resistors each of resistance R. Then the power dissipated in the second case will be 3P P P/3 2p/ 3 3P P P/3 2p/ 3 ANSWER DOWNLOAD EXAMIANS APP
Physics Magnetic keepers are used to protect magnets from : Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets Demagnetization due to heating Earth's magnetic field Self-demagnetization Effect of other magnets ANSWER DOWNLOAD EXAMIANS APP
Physics In the gamma decay of a nucleus The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes The mass number of the nucleus changes whereas its atomic number does not change Both the mass number and the atomic number of the nucleus change The mass number of the nucleus does not change whereas its atomic number changes Neither the mass number nor the atomic number of the nucleus changes ANSWER DOWNLOAD EXAMIANS APP
Physics The energy of a photon, whose momentum is 10 MeV/c, where c is the speed of light, is given by 100 MeV 10 MeV 0.1 MeV 1 MeV 100 MeV 10 MeV 0.1 MeV 1 MeV ANSWER DOWNLOAD EXAMIANS APP
Physics The inability of a body to change its state of rest or uniform motion along a straight line is called its Acceleration Momentum Velocity Inertia Acceleration Momentum Velocity Inertia ANSWER DOWNLOAD EXAMIANS APP